1 ; RUN: opt < %s -indvars -disable-output 2 ; PR4009 3 ; PR4038 4 5 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" 6 target triple = "i386-pc-linux-gnu" 7 8 define void @safe_bcopy(i8* %to) nounwind { 9 entry: 10 %cmp11 = icmp ult i8* %to, null ; <i1> [#uses=1] 11 br i1 %cmp11, label %loop, label %return 12 13 return: ; preds = %entry 14 ret void 15 16 loop: ; preds = %loop, %if.else 17 %pn = phi i8* [ %ge, %loop ], [ null, %entry ] ; <i8*> [#uses=1] 18 %cp = ptrtoint i8* %to to i32 ; <i32> [#uses=1] 19 %su = sub i32 0, %cp ; <i32> [#uses=1] 20 %ge = getelementptr i8* %pn, i32 %su ; <i8*> [#uses=2] 21 tail call void @bcopy(i8* %ge) nounwind 22 br label %loop 23 } 24 25 define void @safe_bcopy_4038(i8* %from, i8* %to, i32 %size) nounwind { 26 entry: 27 br i1 false, label %if.else, label %if.then12 28 29 if.then12: ; preds = %entry 30 ret void 31 32 if.else: ; preds = %entry 33 %sub.ptr.rhs.cast40 = ptrtoint i8* %from to i32 ; <i32> [#uses=1] 34 br label %if.end54 35 36 if.end54: ; preds = %if.end54, %if.else 37 %sub.ptr4912.pn = phi i8* [ %sub.ptr4912, %if.end54 ], [ null, %if.else ] ; <i8*> [#uses=1] 38 %sub.ptr7 = phi i8* [ %sub.ptr, %if.end54 ], [ null, %if.else ] ; <i8*> [#uses=2] 39 %sub.ptr.rhs.cast46.pn = ptrtoint i8* %from to i32 ; <i32> [#uses=1] 40 %sub.ptr.lhs.cast45.pn = ptrtoint i8* %to to i32 ; <i32> [#uses=1] 41 %sub.ptr.sub47.pn = sub i32 %sub.ptr.rhs.cast46.pn, %sub.ptr.lhs.cast45.pn ; <i32> [#uses=1] 42 %sub.ptr4912 = getelementptr i8* %sub.ptr4912.pn, i32 %sub.ptr.sub47.pn ; <i8*> [#uses=2] 43 tail call void @bcopy_4038(i8* %sub.ptr4912, i8* %sub.ptr7, i32 0) nounwind 44 %sub.ptr = getelementptr i8* %sub.ptr7, i32 %sub.ptr.rhs.cast40 ; <i8*> [#uses=1] 45 br label %if.end54 46 } 47 48 declare void @bcopy(i8* nocapture) nounwind 49 50 declare void @bcopy_4038(i8*, i8*, i32) nounwind 51
